Finding the Fourth Proportional to 2,801.42, 4,194.03 and 2,111.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,801.42 : 4,194.03 = 2,111.02 : x
2. Step 2: Convert to fraction form
   2,801.42/4,194.03 = 2,111.02/x
3. Step 3: Cross multiply
   2,801.42x = 4,194.03 × 2,111.02
4. Step 4: Simplify right side
   2,801.42x = 8,853,681.21
5. Step 5: Solve for x
   x = 8,853,681.21/2,801.42
6. Step 6: Final answer
   x = 3,160.43